24 Verm , 
xv, vermes. 
Abnormal arrangement of eyes, and of nephridial and sexual pores, in 
Leeches ; Blanchard (26) : of genital organs of Cestodes ; Du mare 
(69), Kowalewsky (132), Blanchard (28), Stiles (223) No. 23: of 
hooks and suckers in Cestodes; Kowalewsky (132), Blanchard 
(28). Single ovary in an Ascaris ; Sciiewukoff (207). 
Variations in colour of Earthworms ; Smith, F. (217) ; of Cestodes ; 
Blanchard (28). 
Asymmetrical variations in length of posterior spines of Rotifers ; 
Barrois & Daday (8), 
17. Habits, &c. 
Of Amphicteniclce ; Watson (240). Influence of sessile life in the 
organisation of Serpulidce and Hermellidce ; Meyer (163). Tubes of 
Panthalis oerstedi ; Herdman (107) : of Melicerta r ingens ; Andrew (1). 
Habits of Earthworms; Kulaghin (133) : their influence, direct and 
indirect, on the vegetation in beech forests ; Muller, P. E. (175) : 
a blood-sucking Earthworm, ? ; Nat. Sci. iv, p. 325. 
Habits of British Gephyrea , Polychceta, and Turbellaria ; Gar- 
stang (86). 
Breeding habits of Triclads ; Whitman (246). 
Food of Sagitta j Masterman (159). 
18. Their Parasites. 
A Gregarine of the Earthworm ; Bosanquet (38). 
A Nematode in Aphrodite , 2 species of Distoma in Sagitta] Parona (182). 
19. Methods. 
Lactic acid for preserving Tornaria ; Morgan (172). Ferrous sulphate 
for killing Nematodes ; Vanstone & Beaumont (230). Application of 
a modification of Golgi’s method for showing free nerve-endings in Earth- 
worms ; Smirnow (216). Other methods for same purpose ; Retzius 
(192). Application of Methylene blue method in Trematodes ; Schuberg 
(210). Czokor’s alum-cochineal for staining nervous system of Turbel- 
larians ; Wheeler (243). 
20. Classification. 
Of Polychceta ; Benham (19). 
Of Bothriocephalince ; Blanchard (30). Of the Ichthijotcenidce ; 
LOnnberg (144). Of monogeuetic Trematodes ; Cerfqntaine (55), 
Rath ARINA (\ 26 ). 
